Murata Manufacturing Co., Ltd.

Kao Corporation

Okamoto Corporation

Takafumi Inoue

Hiroaki Kitada

Hidekazu Kano

Kenichiro Takumi

Daiji Tamakura

Masamichi Ando

Jun Endo

Masayuki Tsuji

Masato Saito

Hideki Kawamura

Nobuhito Tsubaki

Takashi Kihara

Kenichi Mori

Kenji Ishiguro

Fumiya Isono

Hirokazu Hayashi

Ryosuke Ebina

Eiji Taguchi

Yutaka Murai

Kouichi Hosoya

Osamu Onishi

A cylindrical structure including a first cloth including a piezoelectric thread that generates an electric potential from external energy, a second cloth including a piezoelectric thread that generates an electric potential from external energy, and a connection portion connecting the first cloth and the second cloth, wherein the first cloth and the second cloth forms a side face of the cylindrical structure.

Cylindrical structure

A piezoelectric fiber composite that includes a substrate having a first expansion and contraction rate, a piezoelectric fiber assembly having piezoelectric fibers that generate electrical charges upon application of external energy and has a second expansion and contraction rate different from the first expansion and contraction rate of the substrate, and a joint portion that joins the substrate and the piezoelectric fiber assembly.

Piezoelectric fiber composite having separate joint portions and piezoelectric clothing containing the same

An antibacterial yarn that includes a core yarn including a functional polymer that generates a charge by external energy and a first sheath yarn higher in hygroscopicity than the core yarn, the first sheath yarn covering at least a part of a periphery of the core yarn across an axial direction of the core yarn.

Antibacterial yarn and antibacterial fabric

An antibacterial mask that includes a filter portion having a first principal surface and a second principal surface opposite the first principal surface, the filter portion including a plurality of first piezoelectric yarns that generate at least a first charge by stretching.

Filter and air-conditioning device

A filter that includes a plurality of fibers arranged to form a first principal surface and a second principal surface opposite the first principal surface, and a plurality of first piezoelectric fibers that generate negative charges by stretching are arranged at least on a side of the first principal surface.

An operation input device having an exterior portion that includes a band portion extending in a belt shape and having flexibility and a housing; and a control unit () that is housed in the exterior portion and performs input processing based on a detection signal indicating detection of a predetermined operation. The operation input device is provided with a deformation detection unit that outputs a detection signal associated with a deformation of the band portion or a deformation of the housing to the control unit.

Operation input device

A touch input device includes a sensor for detecting a plurality of touch positions at which a touch operation has been performed on an operation surface, a pressure sensor for detecting a pressing operation which has been performed on the operation surface at at least one of the touch positions, and a control unit. The control unit (a) identifies a first of the touch positions as a support position which is not used to input information into the input device by way of movement of the support position, (b) identifies at least second and third of the touch positions as input touch positions used to input information into the input device by way of movement of the input touch positions, and (c) causes the input device to carry out an operation identified by the movement of the input touch positions.

Touch input device and mobile display device

A mobile terminal device detects a touch position on a display screen, and detects that the display screen has been pressed and sets a boundary line based on the touch position. The mobile terminal device divides the display screen into first and second screens separated by the boundary line and displays images corresponding to different functions of the mobile terminal device on the first and second screens.

Display device that can be divided into multiple sections by user input and program for achieving the division

An electronic device that provides a number of function modes and operates by selecting one of the function modes. The device includes an audio output unit and a wireless communication unit that execute functions for the function modes. Moreover, a deformation detecting unit that detects deformation of an exterior housing by an external force and a storage unit that stores a correspondence between a deformation pattern and a response operation registered per function mode. The device also includes an operation determining unit that detects the deformation pattern based on the deformation and a control executing unit that reads a response operation of a current function mode associated with the deformation pattern and controls operation states of the audio output unit and the wireless communication unit.

Electronic device and operation input program

A touch sensor that includes a pressure detection sensor and a position detection sensor. The pressure detection sensor includes a piezoelectric film, a first piezoelectricity detecting electrode adjacent a first principal surface of the piezoelectric film, and a second piezoelectricity detecting electrode adjacent a second principal surface of the piezoelectric film. The position detection sensor includes a dielectric substrate, a plurality of first position detecting electrodes adjacent a first principal surface of the dielectric substrate, and a plurality of second position detecting electrodes adjacent a second principal surface of the dielectric substrate. In the pressure detection sensor, the second piezoelectricity detecting electrode includes an electrode non-forming section in a region where the first position detecting electrode and the second position detecting electrode overlap each other.

Touch sensor having a hard coat layer

A mobile terminal device receives an input of a pressing operation when an operation surface is pressed. A pressing amount detecting unit detects whether or not the operation surface has been pressed. A grip determining unit determines whether or not the housing has been gripped by a user. A threshold adjusting unit adjusts a press detection sensitivity of the pressing amount detecting unit when the housing is gripped by the user and when the housing is not gripped by the user. By this means, it is possible to provide an input device which adequately detects a pressing operation, and a program which is executed by this input device.

Input device and program

A touch input device that includes a touch sensor and a control unit. The touch sensor includes a base material, a piezoelectric film, a plurality of first detecting conductors and a plurality of second detecting conductors. The base material is a flat plate. The piezoelectric film is made of uniaxially stretched PLLA, and is arranged on one principal surface of the base material. The first detecting conductors are arranged on a surface of the piezoelectric film opposite to the base material. The plurality of second detecting conductors are arranged on a surface opposite to the surface of the base material which abuts on the piezoelectric film. The control unit detects an operation position and a press by using detection signals outputted from the first detecting conductors and the second detecting conductors.

Touch input device and display device

Touch sensor having a pressure detecting sensor with an electrode non-forming section

A mobile device includes a housing, a sensor and a deformation detecting IC which detect deformation of the housing, a memory which stores a pattern database in which patterns of the deformation of the housing are registered in advance, and an authentication unit which performs authentication based on whether or not the deformation of the housing detected by the sensor and the deformation detecting IC corresponds to a pattern registered in the pattern database.

Mobile device, and authentication program

A touch panel that includes a dielectric film and a piezoelectric film. A first capacitance detection electrode is disposed on an upper main surface of the dielectric film, a second capacitance detection electrode and a first piezoelectric voltage detection electrode are disposed between a lower main surface of the dielectric film and an upper main surface of the piezoelectric film, and a second piezoelectric voltage detection electrode is disposed on a lower main surface of the piezoelectric film. The first capacitance detection electrode includes plural sub-electrodes extending in a first direction, the second capacitance detection electrode includes plural sub-electrodes extending in a second direction orthogonal to the first direction, and the first piezoelectric voltage detection electrode includes plural sub-electrodes disposed between the plural sub-electrodes.

Growing community of inventors

Nagaokakyo, Japan

Takafumi Inoue